7cres; 0.188 in. Shaft dia, 1.340 in. Shaft lg; first end plain with 0.090 in. Diameter horizontal hole 0.125 in. From end surface; second end has an arm which swings on 0.284 in. Radius from shaft center, 0.314 in. Arm lg, 0.163 in. Arm w, 1.650 in. O/a lg